Calculator or similar article



FIG. 1 is a perspective view of a calculator showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is an bottom plan view thereof;

FIG. 7 is a right side elevational view thereof, and

FIG. 8 is a cross-section taken along line 8-8 of FIG. 4 looking in the direction of arrows 8,8. 

The ornamental design for a calculator or similar article, as shown and described. 